Water disinfection unit



FIG. 1 is a front perspective view of a water disinfection unit showingthe new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a left end view thereof;

FIG. 7 is a right end view thereof; and,

FIG. 8 is a top perspective view thereof.

CLAIM The ornamental design for a water disinfection unit, as shown anddescribed.